13212344322222 has 32 divisors (see below), whose sum is σ = 27072889369344. Its totient is φ = 4296110654400.

The previous prime is 13212344322217. The next prime is 13212344322241. The reversal of 13212344322222 is 22222344321231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859698 + ... + 5466549.

It is an arithmetic number, because the mean of its divisors is an integer number (846027792792).

Almost surely, 2^{13212344322222} is an apocalyptic number.

13212344322222 is an abundant number, since it is smaller than the sum of its proper divisors (13860545047122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13212344322222 is a wasteful number, since it uses less digits than its factorization.

13212344322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333624.

The product of its digits is 55296, while the sum is 33.

Adding to 13212344322222 its reverse (22222344321231), we get a palindrome (35434688643453).

Subtracting 13212344322222 from its reverse (22222344321231), we obtain a palindrome (9009999999009).

The spelling of 13212344322222 in words is "thirteen trillion, two hundred twelve billion, three hundred forty-four million, three hundred twenty-two thousand, two hundred twenty-two".